Polygons on a grid practice

What is the area of the figure? 

• 12 square units
• 24 square units
• 18 square units
• 36 square units

If the points on the coordinate plane below are the three vertices of a rectangle; What are the coordinates of the fourth vertex? 

• (5, 2)
• (-5, -2)
• (3, -2)
• (-3, -2) 

What is the area of the figure plotted on the coordinate grid?

• 26 units2

• 35 units2

• 40 units2

• 48 units2

The rectangle shown has coordinates (3, 2), (-2, 2), (-2, -1), (3, -1)
What is the length of the longest side of the rectangle?

• 4 units
• 5 units
  5 units
• 6 units
• 8 units

What is the area of the figure plotted on the coordinate grid?

• 20 units2

• 14 units2

• 10 units2

• 15 units2

Find the area of the trapezoid.

• 50 units²
• 35 units²
• 70 units²
• 14 units²